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Hasil cari dari kata atau frase: Protactinium (0.02459 detik)
Found 2 items, similar to Protactinium.
English → English (WordNet)
Definition: protactinium
protactinium
n : a short-lived radioactive metallic element formed from
uranium and disintegrating into actinium and then into
lead [syn:
protoactinium,
Pa,
atomic number 91]
English → English (gcide)
Definition: Protactinium
Protactinium
\Protactinium\
The radioactive chemical element, of atomic number 91; Atomic
symbol Pa; at. wt. of longest-lived isotope, 231 (T1/2 =
32,500 yrs.) Also called brevium, Uranium X2 and UX2.
[PJC]
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